1) In a wok or frying pan, add oil to heat up.
2) Add spring onions and ginger to fry for 1 minute.
3) Place chicken and fry until light brown.
4) Stir in soy sauce and sherry into the wok. Cook for another minute.
5) Fold in green peppers and sweet corn. Stir-fry the ingredients for couple of minutes more.
6) In a warmed serving dish, serve the mixture while it is still hot.